cork/plug

English translation: Ok . . .

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14:23 Mar 10, 2002

German to English translations [PRO]Tech/Engineering / oil drilling

German term or phrase:cork/plug

First of all, please do not edit the question, I listed it in this category on purpose in my attemot to adress a larger community.

I am translating a document from Romanian on oil drilling. There is a term that they refer to as some kind of "cork" (literal translation). This "cork" is a fluid that is injected in a drilling hole to enhance oil recovery. It can be an acid or water or other solutions in different concentrations according to te rock consistency. When this liquid is pupmed down the drilling hole it is like a "cork" and I assume this is why they refer to it as such, which in Romanian is admissible. I am trying to find similar texts written in English, but I haven't found any so far.
so basically, what I need, is the term for this "cork".
Thanks a lot. ANy help appreciated, and maybe someone knows where I can find a site describing this process of fluid injection.

acid stimulation: Acidizing of a well. Process of introducing acid into a well to dissolve acid soluble materials, in the wellbore or in reservoir rock near the wellbore, which might be restricting fluid flow. Acid-soluble materials in the reservoir rock might occur naturally or might have been introduced during the drilling or completion process of the well. Commonly used acids are hydrochloric and mixtures of hydrochloric and hydrofluoric; although other mineral acids and organic acids have been used, notably citric acid and acetic acid.

The only other thing I can think of would be a frac-job, such as "hydraulic fracturing" as follows:
hydraulic fracturing The breaking or parting of reservoir rock through the use of injected fluids. Hydraulic fracturing is a method of stimulating production or injection at a specific depth in a formation of low permeability by inducing fractures and fissures in the formation by applying high fluid pressure to its face. Fluids (liquids, gases, foams, emulsions) are injected into reservoir rock at pressures which exceed the strength of the rock and overcome internal stresses of the rock. The fluid enters the formation and parts or fractures it. Sand grains, aluminum pellets, glass beads, or similar materials are carried in suspension by the fluid into the fractures. These are called propping agents or proppants. When the pressure is released at the surface, the fracturing fluid returns to the wellbore as the fractures partially close on the proppants, leaving paths with increased permeability for fluid flow.

thanks a lot. This text resembles somewhat what I had. I kept researching a few hours for a 500-words text, and finally I decided to use simply "solution", in order to avoid using a term that might have another meaning. Thanks a lot for your extra work, it was helpful and I think solution is ok, than after all acids are solutions too and they list them all by their name.4 KudoZ points were awarded for this answer

as the second answer suggests, mud is used to cool and lubricate, whereas my solutions are hydrogen chloride, methanol, hydrogen fluoride, etc. which in my opinion are used for dissolving rocks or other substances which block the oil. However the text is written in such a poor manner (one chapter is half a page and it is only one sentence) that I might be wrong.

When drilling for oil in the Gulf, drilling operators pump a special mixture of materials, called a drilling mud, down through the drill pipe to cool and lubricate the rapidly rotating pipe and drill bit. The mud carries most of the drilling waste and rock cuttings back up to the surface.

Traditionally, the liquid component of the drilling mud, called the drilling fluid, has been water-based or petroleum-based. Since about 1990, however, the oil and gas extraction industry has developed synthetic-based drilling fluids that enable faster, more efficient drilling and have less of an environmental impact.

acid stimulation: Acidizing of a well. Process of introducing acid into a well to dissolve acid soluble materials, in the wellbore or in reservoir rock near the wellbore, which might be restricting fluid flow. Acid-soluble materials in the reservoir rock might occur naturally or might have been introduced during the drilling or completion process of the well. Commonly used acids are hydrochloric and mixtures of hydrochloric and hydrofluoric; although other mineral acids and organic acids have been used, notably citric acid and acetic acid.

The only other thing I can think of would be a frac-job, such as "hydraulic fracturing" as follows:
hydraulic fracturing The breaking or parting of reservoir rock through the use of injected fluids. Hydraulic fracturing is a method of stimulating production or injection at a specific depth in a formation of low permeability by inducing fractures and fissures in the formation by applying high fluid pressure to its face. Fluids (liquids, gases, foams, emulsions) are injected into reservoir rock at pressures which exceed the strength of the rock and overcome internal stresses of the rock. The fluid enters the formation and parts or fractures it. Sand grains, aluminum pellets, glass beads, or similar materials are carried in suspension by the fluid into the fractures. These are called propping agents or proppants. When the pressure is released at the surface, the fracturing fluid returns to the wellbore as the fractures partially close on the proppants, leaving paths with increased permeability for fluid flow.

thanks a lot. This text resembles somewhat what I had. I kept researching a few hours for a 500-words text, and finally I decided to use simply "solution", in order to avoid using a term that might have another meaning. Thanks a lot for your extra work, it was helpful and I think solution is ok, than after all acids are solutions too and they list them all by their name.